用JAMES兑现自己的邮件服务器（转）

package com.yy.jamesstudy;   
  
import java.util.Date;   
import java.util.Properties;   
  
import javax.mail.Authenticator;   
import javax.mail.Message;   
import javax.mail.PasswordAuthentication;   
import javax.mail.Session;   
import javax.mail.Transport;   
import javax.mail.internet.InternetAddress;   
import javax.mail.internet.MimeMessage;   
  
public class Mail {   
    private String mailServer, From, To, mailSubject, MailContent;   
  
    private String username, password;   
  
    private Session mailSession;   
  
    private Properties prop;   
  
    private Message message;   
  
    // Authenticator auth;//认证   
    public Mail() {   
        // 设置邮件相关   
        username = "kakaxi";   
        password = "kakaxi";   
        mailServer = "localhost";   
        From = "kakaxi@localhost";   
        To = "mingren@localhost";   
        mailSubject = "Hello Scientist";   
        MailContent = "How are you today!";   
    }   
    public void send(){   
        EmailAuthenticator mailauth =    
new EmailAuthenticator(username, password);   
        // 设置邮件服务器   
        prop = System.getProperties();   
        prop.put("mail.smtp.auth", "true");   
        prop.put("mail.smtp.host", mailServer);   
        // 产生新的Session服务   
        mailSession = mailSession.getDefaultInstance(prop,   
                (Authenticator) mailauth);   
        message = new MimeMessage(mailSession);   
  
        try {   
        message.setFrom(new InternetAddress(From)); // 设置发件人   
        message.setRecipient(Message.RecipientType.TO,    
new InternetAddress(To));// 设置收件人   
        message.setSubject(mailSubject);// 设置主题   
        message.setContent(MailContent, "text/plain");// 设置内容   
        message.setSentDate(new Date());// 设置日期   
        Transport tran = mailSession.getTransport("smtp");   
        tran.connect(mailServer, username, password);   
        tran.send(message, message.getAllRecipients());   
        tran.close();   
        } catch (Exception e) {   
            e.printStackTrace();   
        }   
    }   
    public static void main(String[] args) {   
        Mail mail;   
        mail = new Mail();   
        System.out.println("sending......");   
        mail.send();   
        System.out.println("finished!");   
    }   
  
}   
  
class EmailAuthenticator extends Authenticator {   
    private String m_username = null;   
  
    private String m_userpass = null;   
  
    void setUsername(String username) {   
        m_username = username;   
    }   
  
    void setUserpass(String userpass) {   
        m_userpass = userpass;   
    }   
  
    public EmailAuthenticator(String username, String userpass) {   
        super();   
        setUsername(username);   
        setUserpass(userpass);   
    }   
  
    public PasswordAuthentication getPasswordAuthentication() {   
        return new PasswordAuthentication(m_username, m_userpass);   
    }   
}   

package com.yy.jamesstudy;   
  
import java.io.IOException;   
import javax.mail.MessagingException;   
import javax.mail.internet.MimeMessage;   
import org.apache.mailet.GenericMailet;   
import org.apache.mailet.Mail;   
import org.apache.mailet.MailAddress;   
/**  
 * System   jamesstudy  
 * Package  com.yy.jamesstudy  
 *   
 * @author  Yang Yang  
 * Created on 2007-9-14下午02:16:31  
 */  
public class BizMaillet extends GenericMailet {   
  
    public void service(Mail mail)  {   
        MailAddress ma = mail.getSender();   
        System.out.println("sender:"+ma.toInternetAddress().toString());   
        try {   
            MimeMessage mm = mail.getMessage();   
            System.out.println("content:"+(String)mm.getContent().toString());   
        } catch (IOException e) {   
            e.printStackTrace();   
        } catch (MessagingException e) {   
            e.printStackTrace();   
        }   
    }   
}